Leviticus 25:53
And as a yearly hired servant shall he be with him: and the other shall not rule with rigor over him in your sight.
Torrey's Topical Textbook—AKJV

Isaiah 16:14
But now the LORD has spoken, saying, Within three years, as the years of an hireling, and the glory of Moab shall be contemned, with all that great multitude; and the remnant shall be very small and feeble.
Torrey's Topical Textbook—AKJV